void KNMusicLibraryImageManager::recoverFromFolder()
{
//Check is the path exist or it's a file.
QFileInfo pathChecker(m_imageFolderPath);
QDir imageDir(m_imageFolderPath);
//Check it's existance and it's file or not.
if(pathChecker.exists() && pathChecker.isFile())
{
//Delete the file.
QFile fileRemover(pathChecker.absoluteFilePath());
fileRemover.remove();
}
//Check if it's not exist, simply generate the folder.
if(!pathChecker.exists())
{
//Generate the folder.
imageDir.mkpath(imageDir.absolutePath());
//Do nothing, return.
return;
}
//Load the image in the dir.
QFileInfoList contentInfos=imageDir.entryInfoList();
//Check each file.
for(QFileInfoList::iterator i=contentInfos.begin();
i!=contentInfos.end();
++i)
{
//Load all the png image to hash list.
if((*i).isFile() && (*i).suffix().toLower()=="png")
{
//Load the image.
QImage currentImage=QImage((*i).absoluteFilePath(), "png");
//If there's image data, insert to pixmap list.
if(!currentImage.isNull())
{
m_pixmapList->setImage((*i).completeBaseName(), currentImage);
}
}
}
//Emit recover complete signal.
emit recoverComplete();
}
void KNMusicLibraryImageManager::recoverAlbumArt(const QStringList &hashList)
{
//Check out the image hash list has been set or not.
if(m_hashAlbumArt==nullptr)
{
return;
}
//Get the image folder path information.
QFileInfo pathChecker(m_imageFolderPath);
//Check is the path exist or it's a file
if(pathChecker.exists() && pathChecker.isFile())
{
//Delete the file.
QFile::remove(pathChecker.absoluteFilePath());
}
//Generate the image directory.
QDir imageDir(m_imageFolderPath);
//Check if it's not exist, simply generate the folder.
if(!pathChecker.exists())
{
//Generate the folder.
imageDir.mkpath(imageDir.absolutePath());
//Do nothing, return. Because the folder is just created.
return;
}
//Check the existance again, if the path is still not exist, then failed.
if(!pathChecker.isDir() || !pathChecker.exists())
{
return;
}
//Get the entry info list.
QFileInfoList contentInfos=imageDir.entryInfoList();
//Check each file.
for(auto i : contentInfos)
{
//Check the information of all the file and the suffix.
if(i.isFile() && i.suffix().toLower()=="png")
{
//Get the hash key, which is the base name.
QString hashKey=i.completeBaseName();
//Check whether the file is in the hash list.
if(hashList.contains(hashKey))
{
//Load the image.
QPixmap currentPixmap=QPixmap(i.absoluteFilePath(), "png");
//If there's image data is not null.
if(!currentPixmap.isNull())
{
//Insert the image to the hash list.
m_hashAlbumArt->insert(i.completeBaseName(),
QVariant(currentPixmap));
//Continue to next file.
continue;
}
}
}
//Remove the no use file.
QFile::remove(i.absoluteFilePath());
}
//After loading the images, emit recover signal.
emit recoverImageComplete();
}
